本文整理汇总了Java中org.apache.hadoop.hdfs.MiniDFSCluster.NameNodeInfo类的典型用法代码示例。如果您正苦于以下问题：Java NameNodeInfo类的具体用法？Java NameNodeInfo怎么用？Java NameNodeInfo使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
NameNodeInfo类属于org.apache.hadoop.hdfs.MiniDFSCluster包，在下文中一共展示了NameNodeInfo类的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: setFederatedHAConfiguration
import org.apache.hadoop.hdfs.MiniDFSCluster.NameNodeInfo; //导入依赖的package包/类
public static void setFederatedHAConfiguration(MiniDFSCluster cluster,
Configuration conf) {
Map<String, List<String>> nameservices = Maps.newHashMap();
for (NameNodeInfo info : cluster.getNameNodeInfos()) {
Preconditions.checkState(info.nameserviceId != null);
List<String> nns = nameservices.get(info.nameserviceId);
if (nns == null) {
nns = Lists.newArrayList();
nameservices.put(info.nameserviceId, nns);
}
nns.add(info.nnId);
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY,
info.nameserviceId, info.nnId),
DFSUtil.createUri(HdfsConstants.HDFS_URI_SCHEME,
info.nameNode.getNameNodeAddress()).toString());
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY,
info.nameserviceId, info.nnId),
DFSUtil.createUri(HdfsConstants.HDFS_URI_SCHEME,
info.nameNode.getNameNodeAddress()).toString());
}
for (Map.Entry<String, List<String>> entry : nameservices.entrySet()) {
conf.set(DFSUtil.addKeySuffixes(DFS_HA_NAMENODES_KEY_PREFIX,
entry.getKey()), Joiner.on(",").join(entry.getValue()));
conf.set(DFS_CLIENT_FAILOVER_PROXY_PROVIDER_KEY_PREFIX + "." + entry
.getKey(), ConfiguredFailoverProxyProvider.class.getName());
}
conf.set(DFSConfigKeys.DFS_NAMESERVICES, Joiner.on(",")
.join(nameservices.keySet()));
}
示例2: setFederatedHAConfiguration
import org.apache.hadoop.hdfs.MiniDFSCluster.NameNodeInfo; //导入依赖的package包/类
public static void setFederatedHAConfiguration(MiniDFSCluster cluster,
Configuration conf) {
Map<String, List<String>> nameservices = Maps.newHashMap();
for (NameNodeInfo info : cluster.getNameNodeInfos()) {
Preconditions.checkState(info.nameserviceId != null);
List<String> nns = nameservices.get(info.nameserviceId);
if (nns == null) {
nns = Lists.newArrayList();
nameservices.put(info.nameserviceId, nns);
}
nns.add(info.nnId);
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY,
info.nameserviceId, info.nnId),
DFSUtil.createUri(HdfsConstants.HDFS_URI_SCHEME,
info.nameNode.getNameNodeAddress()).toString());
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY,
info.nameserviceId, info.nnId),
DFSUtil.createUri(HdfsConstants.HDFS_URI_SCHEME,
info.nameNode.getNameNodeAddress()).toString());
}
for (Map.Entry<String, List<String>> entry : nameservices.entrySet()) {
conf.set(DFSUtil.addKeySuffixes(DFS_HA_NAMENODES_KEY_PREFIX,
entry.getKey()), Joiner.on(",").join(entry.getValue()));
conf.set(HdfsClientConfigKeys.Failover.PROXY_PROVIDER_KEY_PREFIX + "."
+ entry.getKey(), ConfiguredFailoverProxyProvider.class.getName());
}
conf.set(DFSConfigKeys.DFS_NAMESERVICES, Joiner.on(",")
.join(nameservices.keySet()));
}
示例3: testSetUpFederatedCluster
import org.apache.hadoop.hdfs.MiniDFSCluster.NameNodeInfo; //导入依赖的package包/类
@Test
public void testSetUpFederatedCluster() throws Exception {
Configuration conf = new Configuration();
MiniDFSCluster cluster =
new MiniDFSCluster.Builder(conf).nnTopology(
MiniDFSNNTopology.simpleHAFederatedTopology(2))
.numDataNodes(2)
.build();
try {
cluster.waitActive();
cluster.transitionToActive(1);
cluster.transitionToActive(3);
assertEquals("standby", cluster.getNamesystem(0).getHAState());
assertEquals("active", cluster.getNamesystem(1).getHAState());
assertEquals("standby", cluster.getNamesystem(2).getHAState());
assertEquals("active", cluster.getNamesystem(3).getHAState());
String ns0nn0 = conf.get(
DFSUtil.addKeySuffixes(DFS_NAMENODE_HTTP_ADDRESS_KEY, "ns0", "nn0"));
String ns0nn1 = conf.get(
DFSUtil.addKeySuffixes(DFS_NAMENODE_HTTP_ADDRESS_KEY, "ns0", "nn1"));
String ns1nn0 = conf.get(
DFSUtil.addKeySuffixes(DFS_NAMENODE_HTTP_ADDRESS_KEY, "ns1", "nn0"));
String ns1nn1 = conf.get(
DFSUtil.addKeySuffixes(DFS_NAMENODE_HTTP_ADDRESS_KEY, "ns1", "nn1"));
for(NameNodeInfo nnInfo : cluster.getNameNodeInfos()) {
assertEquals(ns0nn0, nnInfo.conf.get(
DFSUtil.addKeySuffixes(
DFS_NAMENODE_HTTP_ADDRESS_KEY, "ns0", "nn0")));
assertEquals(ns0nn1, nnInfo.conf.get(
DFSUtil.addKeySuffixes(
DFS_NAMENODE_HTTP_ADDRESS_KEY, "ns0", "nn1")));
assertEquals(ns1nn0, nnInfo.conf.get(
DFSUtil.addKeySuffixes(
DFS_NAMENODE_HTTP_ADDRESS_KEY, "ns1", "nn0")));
assertEquals(ns1nn1, nnInfo.conf.get(
DFSUtil.addKeySuffixes(
DFS_NAMENODE_HTTP_ADDRESS_KEY, "ns1", "nn1")));
}
} finally {
MiniDFSCluster.shutdownCluster(cluster);
}
}